Winter darkness, season depression

This is what happens when November comes !! I personally dislike this change of time, because it seems something changes in me!!!

Winter Darkness, Season Depression

Winter depression is still a mystery to scientists who study it. But researchers agree that people who suffer from seasonal affective disorder are particularly sensitive to light, or the lack of it.

WebMD FeatureReview

Winter depression is still a mystery to scientists who study it. Many things, including brain chemicals, ions in the air, and genetics seem to be involved. But researchers agree that people who suffer from winter depression -- also known as "seasonal affective disorder," a term that produces the cute acronym SAD -- have one thing in common. They're particularly sensitive to light, or the lack of it.